添加代码示例springboot-hibernate

springboot-hibernate/src/main/java/com/xncoding/pos/Application.java

@@ -0,0 +1,12 @@
+package com.xncoding.pos;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

springboot-hibernate/src/main/java/com/xncoding/pos/config/DataSourceConfig.java

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+package com.xncoding.pos.config;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.xncoding.pos.config.properties.DruidProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+import javax.annotation.Resource;
+
+/**
+ * 数据源配置
+ *
+ * @author xiongneng
+ * @since 2017/5/20 21:58
+ */
+@Configuration
+@EnableTransactionManagement(order = 2)
+public class DataSourceConfig {
+
+    @Resource
+    private DruidProperties druidProperties;
+
+    /**
+     * 单数据源连接池配置
+     */
+    @Bean
+    public DruidDataSource singleDatasource() {
+        DruidDataSource dataSource = new DruidDataSource();
+        druidProperties.config(dataSource);
+        return dataSource;
+    }
+}

springboot-hibernate/src/main/java/com/xncoding/pos/config/properties/DruidProperties.java

@@ -0,0 +1,249 @@
+package com.xncoding.pos.config.properties;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.util.JdbcConstants;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+import java.sql.SQLException;
+
+/**
+ * <p>数据库数据源配置</p>
+ * <p>说明:这个类中包含了许多默认配置,若这些配置符合您的情况,您可以不用管,若不符合,建议不要修改本类,建议直接在"application.yml"中配置即可</p>
+ *
+ * @author xiongneng
+ * @since 2017-05-21 11:18
+ */
+@Component
+@ConfigurationProperties(prefix = "spring.datasource")
+public class DruidProperties {
+
+    private String url;
+
+    private String username;
+
+    private String password;
+
+    private String driverClassName = "com.mysql.cj.jdbc.Driver";
+
+    private Integer initialSize = 10;
+
+    private Integer minIdle = 3;
+
+    private Integer maxActive = 60;
+
+    private Integer maxWait = 60000;
+
+    private Boolean removeAbandoned = true;
+
+    private Integer removeAbandonedTimeout = 180;
+
+    private Integer timeBetweenEvictionRunsMillis = 60000;
+
+    private Integer minEvictableIdleTimeMillis = 300000;
+
+    private String validationQuery = "SELECT 'x'";
+
+    private Boolean testWhileIdle = true;
+
+    private Boolean testOnBorrow = false;
+
+    private Boolean testOnReturn = false;
+
+    private Boolean poolPreparedStatements = true;
+
+    private Integer maxPoolPreparedStatementPerConnectionSize = 50;
+
+    private String filters = "stat";
+
+    public void config(DruidDataSource dataSource) {
+        dataSource.setDbType(JdbcConstants.MYSQL);
+        dataSource.setUrl(url);
+        dataSource.setUsername(username);
+        dataSource.setPassword(password);
+        dataSource.setDriverClassName(driverClassName);
+        dataSource.setInitialSize(initialSize);     // 定义初始连接数
+        dataSource.setMinIdle(minIdle);             // 最小空闲
+        dataSource.setMaxActive(maxActive);         // 定义最大连接数
+        dataSource.setMaxWait(maxWait);             // 获取连接等待超时的时间
+        dataSource.setRemoveAbandoned(removeAbandoned); // 超过时间限制是否回收
+        dataSource.setRemoveAbandonedTimeout(removeAbandonedTimeout); // 超过时间限制多长
+
+        // 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
+        dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
+        // 配置一个连接在池中最小生存的时间，单位是毫秒
+        dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
+        // 用来检测连接是否有效的sql，要求是一个查询语句
+        dataSource.setValidationQuery(validationQuery);
+        // 申请连接的时候检测
+        dataSource.setTestWhileIdle(testWhileIdle);
+        // 申请连接时执行validationQuery检测连接是否有效，配置为true会降低性能
+        dataSource.setTestOnBorrow(testOnBorrow);
+        // 归还连接时执行validationQuery检测连接是否有效，配置为true会降低性能
+        dataSource.setTestOnReturn(testOnReturn);
+        // 打开PSCache，并且指定每个连接上PSCache的大小
+        dataSource.setPoolPreparedStatements(poolPreparedStatements);
+        dataSource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
+        // 属性类型是字符串，通过别名的方式配置扩展插件，常用的插件有：
+        // 监控统计用的filter:stat
+        // 日志用的filter:log4j
+        // 防御SQL注入的filter:wall
+        try {
+            dataSource.setFilters(filters);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getDriverClassName() {
+        return driverClassName;
+    }
+
+    public void setDriverClassName(String driverClassName) {
+        this.driverClassName = driverClassName;
+    }
+
+    public Integer getInitialSize() {
+        return initialSize;
+    }
+
+    public void setInitialSize(Integer initialSize) {
+        this.initialSize = initialSize;
+    }
+
+    public Integer getMinIdle() {
+        return minIdle;
+    }
+
+    public void setMinIdle(Integer minIdle) {
+        this.minIdle = minIdle;
+    }
+
+    public Integer getMaxActive() {
+        return maxActive;
+    }
+
+    public void setMaxActive(Integer maxActive) {
+        this.maxActive = maxActive;
+    }
+
+    public Integer getMaxWait() {
+        return maxWait;
+    }
+
+    public void setMaxWait(Integer maxWait) {
+        this.maxWait = maxWait;
+    }
+
+    public Integer getTimeBetweenEvictionRunsMillis() {
+        return timeBetweenEvictionRunsMillis;
+    }
+
+    public void setTimeBetweenEvictionRunsMillis(Integer timeBetweenEvictionRunsMillis) {
+        this.timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
+    }
+
+    public Integer getMinEvictableIdleTimeMillis() {
+        return minEvictableIdleTimeMillis;
+    }
+
+    public void setMinEvictableIdleTimeMillis(Integer minEvictableIdleTimeMillis) {
+        this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
+    }
+
+    public String getValidationQuery() {
+        return validationQuery;
+    }
+
+    public void setValidationQuery(String validationQuery) {
+        this.validationQuery = validationQuery;
+    }
+
+    public Boolean getTestWhileIdle() {
+        return testWhileIdle;
+    }
+
+    public void setTestWhileIdle(Boolean testWhileIdle) {
+        this.testWhileIdle = testWhileIdle;
+    }
+
+    public Boolean getTestOnBorrow() {
+        return testOnBorrow;
+    }
+
+    public void setTestOnBorrow(Boolean testOnBorrow) {
+        this.testOnBorrow = testOnBorrow;
+    }
+
+    public Boolean getTestOnReturn() {
+        return testOnReturn;
+    }
+
+    public void setTestOnReturn(Boolean testOnReturn) {
+        this.testOnReturn = testOnReturn;
+    }
+
+    public Boolean getPoolPreparedStatements() {
+        return poolPreparedStatements;
+    }
+
+    public void setPoolPreparedStatements(Boolean poolPreparedStatements) {
+        this.poolPreparedStatements = poolPreparedStatements;
+    }
+
+    public Integer getMaxPoolPreparedStatementPerConnectionSize() {
+        return maxPoolPreparedStatementPerConnectionSize;
+    }
+
+    public void setMaxPoolPreparedStatementPerConnectionSize(Integer maxPoolPreparedStatementPerConnectionSize) {
+        this.maxPoolPreparedStatementPerConnectionSize = maxPoolPreparedStatementPerConnectionSize;
+    }
+
+    public String getFilters() {
+        return filters;
+    }
+
+    public void setFilters(String filters) {
+        this.filters = filters;
+    }
+
+    public Boolean getRemoveAbandoned() {
+        return removeAbandoned;
+    }
+
+    public void setRemoveAbandoned(Boolean removeAbandoned) {
+        this.removeAbandoned = removeAbandoned;
+    }
+
+    public Integer getRemoveAbandonedTimeout() {
+        return removeAbandonedTimeout;
+    }
+
+    public void setRemoveAbandonedTimeout(Integer removeAbandonedTimeout) {
+        this.removeAbandonedTimeout = removeAbandonedTimeout;
+    }
+}

springboot-hibernate/src/main/java/com/xncoding/pos/dao/entity/Article.java

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+package com.xncoding.pos.dao.entity;
+
+import java.io.Serializable;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+/**
+ * Article
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/3/2
+ */
+@Entity
+@Table(name = "articles")
+public class Article implements Serializable {
+    private static final long serialVersionUID = 1L;
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name = "article_id")
+    private int articleId;
+    @Column(name = "title")
+    private String title;
+    @Column(name = "category")
+    private String category;
+
+    public int getArticleId() {
+        return articleId;
+    }
+
+    public void setArticleId(int articleId) {
+        this.articleId = articleId;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+}

springboot-hibernate/src/main/java/com/xncoding/pos/dao/repository/IArticleDAO.java

@@ -0,0 +1,26 @@
+package com.xncoding.pos.dao.repository;
+
+import com.xncoding.pos.dao.entity.Article;
+
+import java.util.List;
+
+/**
+ * IArticleDAO
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/3/2
+ */
+public interface IArticleDAO {
+    List<Article> getAllArticles();
+
+    Article getArticleById(int articleId);
+
+    void addArticle(Article article);
+
+    void updateArticle(Article article);
+
+    void deleteArticle(int articleId);
+
+    boolean articleExists(String title, String category);
+}

springboot-hibernate/src/main/java/com/xncoding/pos/dao/repository/impl/ArticleDAO.java

@@ -0,0 +1,62 @@
+package com.xncoding.pos.dao.repository.impl;
+
+import java.util.List;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+import com.xncoding.pos.dao.entity.Article;
+import com.xncoding.pos.dao.repository.IArticleDAO;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * ArticleDAO
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/3/2
+ */
+@Transactional
+@Repository
+public class ArticleDAO implements IArticleDAO {
+    @PersistenceContext
+    private EntityManager entityManager;
+
+    @Override
+    public Article getArticleById(int articleId) {
+        return entityManager.find(Article.class, articleId);
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public List<Article> getAllArticles() {
+        String hql = "FROM Article as atcl ORDER BY atcl.articleId";
+        return (List<Article>) entityManager.createQuery(hql).getResultList();
+    }
+
+    @Override
+    public void addArticle(Article article) {
+        entityManager.persist(article);
+    }
+
+    @Override
+    public void updateArticle(Article article) {
+        Article artcl = getArticleById(article.getArticleId());
+        artcl.setTitle(article.getTitle());
+        artcl.setCategory(article.getCategory());
+        entityManager.flush();
+    }
+
+    @Override
+    public void deleteArticle(int articleId) {
+        entityManager.remove(getArticleById(articleId));
+    }
+
+    @Override
+    public boolean articleExists(String title, String category) {
+        String hql = "FROM Article as atcl WHERE atcl.title = ? and atcl.category = ?";
+        int count = entityManager.createQuery(hql).setParameter(1, title)
+                .setParameter(2, category).getResultList().size();
+        return count > 0;
+    }
+}

springboot-hibernate/src/main/java/com/xncoding/pos/service/ArticleService.java

@@ -0,0 +1,49 @@
+package com.xncoding.pos.service;
+
+import java.util.List;
+
+import com.xncoding.pos.dao.entity.Article;
+import com.xncoding.pos.dao.repository.IArticleDAO;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+
+/**
+ * ArticleService
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/3/2
+ */
+@Service
+public class ArticleService {
+
+    @Resource
+    private IArticleDAO articleDAO;
+
+    public Article getArticleById(int articleId) {
+        Article obj = articleDAO.getArticleById(articleId);
+        return obj;
+    }
+
+    public List<Article> getAllArticles() {
+        return articleDAO.getAllArticles();
+    }
+
+    public synchronized boolean addArticle(Article article) {
+        if (articleDAO.articleExists(article.getTitle(), article.getCategory())) {
+            return false;
+        } else {
+            articleDAO.addArticle(article);
+            return true;
+        }
+    }
+
+    public void updateArticle(Article article) {
+        articleDAO.updateArticle(article);
+    }
+
+    public void deleteArticle(int articleId) {
+        articleDAO.deleteArticle(articleId);
+    }
+}

springboot-hibernate/src/main/resources/application.yml

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+##########################################################
+##################  所有profile共有的配置  #################
+##########################################################
+
+###################  spring配置  ###################
+spring:
+  profiles:
+    active: dev
+  jpa:
+    properties:
+      hibernate:
+        dialect: org.hibernate.dialect.MySQLDialect
+        new_generator_mappings: false
+        format_sql: true
+
+logging:
+  level:
+    org.hibernate.SQL: DEBUG
+    org.hibernate.type.descriptor.sql.BasicBinder: TRACE
+
+---
+
+#####################################################################
+########################  开发环境profile  ##########################
+#####################################################################
+spring:
+  profiles: dev
+  datasource:
+      url: jdbc:mysql://127.0.0.1:3306/pos?useSSL=false&autoReconnect=true&tinyInt1isBit=false&useUnicode=true&characterEncoding=utf8
+      username: root
+      password: 123456
+  thymeleaf:
+    cache: false
+
+logging:
+  level:
+    ROOT: INFO
+    com:
+      xncoding: DEBUG
+  file: E:/logs/app.log
+
+---
+
+#####################################################################
+########################  测试环境profile  ##########################
+#####################################################################
+
+spring:
+  profiles: test
+  datasource:
+      url: jdbc:mysql://127.0.0.1:3306/pos?useSSL=false&autoReconnect=true&tinyInt1isBit=false&useUnicode=true&characterEncoding=utf8
+      username: root
+      password: 123456
+  thymeleaf:
+    cache: false
+
+logging:
+  level:
+    ROOT: INFO
+    com:
+      xncoding: DEBUG
+  file: /var/logs/app.log

springboot-hibernate/src/main/resources/banner.txt

@@ -0,0 +1,23 @@
+
+          _____           _______                   _____                    _____
+         /\    \         /::\    \                 /\    \                  /\    \
+        /::\____\       /::::\    \               /::\____\                /::\    \
+       /:::/    /      /::::::\    \             /:::/    /               /::::\    \
+      /:::/    /      /::::::::\    \           /:::/    /               /::::::\    \
+     /:::/    /      /:::/~~\:::\    \         /:::/    /               /:::/\:::\    \
+    /:::/    /      /:::/    \:::\    \       /:::/____/               /:::/__\:::\    \
+   /:::/    /      /:::/    / \:::\    \      |::|    |               /::::\   \:::\    \
+  /:::/    /      /:::/____/   \:::\____\     |::|    |     _____    /::::::\   \:::\    \
+ /:::/    /      |:::|    |     |:::|    |    |::|    |    /\    \  /:::/\:::\   \:::\    \
+/:::/____/       |:::|____|     |:::|    |    |::|    |   /::\____\/:::/__\:::\   \:::\____\
+\:::\    \        \:::\    \   /:::/    /     |::|    |  /:::/    /\:::\   \:::\   \::/    /
+ \:::\    \        \:::\    \ /:::/    /      |::|    | /:::/    /  \:::\   \:::\   \/____/
+  \:::\    \        \:::\    /:::/    /       |::|____|/:::/    /    \:::\   \:::\    \
+   \:::\    \        \:::\__/:::/    /        |:::::::::::/    /      \:::\   \:::\____\
+    \:::\    \        \::::::::/    /         \::::::::::/____/        \:::\   \::/    /
+     \:::\    \        \::::::/    /           ~~~~~~~~~~               \:::\   \/____/
+      \:::\    \        \::::/    /                                      \:::\    \
+       \:::\____\        \::/____/                                        \:::\____\
+        \::/    /         ~~                                               \::/    /
+         \/____/                                                            \/____/
+

springboot-hibernate/src/main/resources/sql/schema.sql

@@ -0,0 +1,18 @@
+-- Dumping database structure for concretepage
+CREATE DATABASE IF NOT EXISTS `pos` default charset utf8 COLLATE utf8_general_ci;
+SET FOREIGN_KEY_CHECKS=0;
+USE `pos`;
+-- Dumping structure for table concretepage.articles
+CREATE TABLE IF NOT EXISTS `articles` (
+  `article_id` int(5) NOT NULL AUTO_INCREMENT,
+  `title` varchar(200) NOT NULL,
+  `category` varchar(100) NOT NULL,
+  PRIMARY KEY (`article_id`)
+) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='文章表';
+
+-- Dumping data for table concretepage.articles: ~3 rows (approximately)
+INSERT INTO `articles` (`article_id`, `title`, `category`) VALUES
+	(1, 'Java Concurrency', 'Java'),
+	(2, 'Hibernate HQL ', 'Hibernate'),
+	(3, 'Spring MVC with Hibernate', 'Spring');
+

springboot-hibernate/src/test/java/com/xncoding/pos/ApplicationTests.java

@@ -0,0 +1,57 @@
+package com.xncoding.pos;
+
+import com.xncoding.pos.dao.entity.Article;
+import com.xncoding.pos.service.ArticleService;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.annotation.Resource;
+
+import java.util.List;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.hamcrest.Matchers.nullValue;
+
+/**
+ * 测试
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class ApplicationTests {
+    private static final Logger log = LoggerFactory.getLogger(ApplicationTests.class);
+
+    @Resource
+    private ArticleService articleService;
+
+    /**
+     * 测试增删改查
+     */
+    @Test
+    public void test() {
+        Article article = articleService.getArticleById(1);
+        assertThat(article.getTitle(), is("Java Concurrency"));
+
+        List<Article> list = articleService.getAllArticles();
+        assertThat(list, notNullValue());
+        assertThat(list.size(), is(3));
+
+        boolean flag = articleService.addArticle(article);
+        assertThat(flag, is(false));
+
+        article.setTitle("Python Concurrency");
+        articleService.updateArticle(article);
+        Article article1 = articleService.getArticleById(1);
+        assertThat(article1.getTitle(), is("Python Concurrency"));
+
+
+        articleService.deleteArticle(1);
+        Article article2 = articleService.getArticleById(1);
+        assertThat(article2, nullValue());
+    }
+}